/*******************************************************************************
 * Copyright (c) 2012, 2013 XML-Print Project.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     XML-Print Project - initial API and implementation
 ******************************************************************************/
package info.xmlprint.ui.widgets;


public interface ISubjectControl { 
	  public void registerObserver(IObserverControl observer);

      public void removeObserver(IObserverControl observer);

      public void notifyObservers();
 
}
